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Polemonium caeruleum Pearl White

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Approximately 800.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.

Polemonium caeruleum Pearl White
1000 seeds for 8 Euros
available for preorder


Polemonium caeruleum Pearl White
2500 seeds for 18 Euros
available for preorder


Polemonium caeruleum Pearl White
25 gram for 25 Euros
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Polemonium caeruleum Pearl White
5000 seeds for 33 Euros
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Polemonium caeruleum Pearl White
10 gram for 45 Euros
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Polemonium caeruleum Pearl White
10000 seeds for 62 Euros
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Polemonium caeruleum Pearl White
100 gram for 82 Euros
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Polemonium caeruleum Pearl White
250 gram for 198 Euros
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Polemonium caeruleum Pearl White
500 gram for 383 Euros
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Polemonium caeruleum Pearl White
1000 gram for 589 Euros
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Polemonium caeruleum Pearl White
5000 gram for 2661 Euros
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Polemonium caeruleum Pearl White
10000 gram for 4935 Euros
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Polemonium caeruleum Pearl White

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 24234

The average, annual, minimum temperature zone where Polemonium caeruleum Pearl White is cold hardy
USDA Zone:2 -50° to -40°F   (-45.5° to -40°C)
Type of plant - annual or perennial, depending on climate
Flower or inflorescence: pure WHITE, v.long flg.season
Foliage: fern-like likes moist ground
Height, in meters: 0.7
Height, in feet: 2.31
Polemonium caeruleum Pearl White sales history

Synonyms (alternative names) for Polemonium caeruleum Pearl White:
Polemonium caeruleum Album, 

Common names for Polemonium caeruleum Pearl White:

Polemonium Early White Pearl, 


Polemonium caeruleum Pearl White is included in the following
B and T World Seeds flowering plant categories.

43:   Herbaceous Border Plant Seed List
44:   Cut flowers Commercial and other Recommended Varieties
572:  Polemoniaceae
952:   Wholesale Selection


Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.


Germination guide for Polemonium caeruleum Pearl White

These notes are a general guide, it is recommended to check specialist literature for some of the more unusual seeds in our lists.
Seed Germination Theory and Practice by Professor Norman C. Deno
Some knowledge about growing from seed is necessary to germinate even the easiest seeds. Most seeds require humidity to germinate, even desert plants like Welwitschia mirabilis require that their growing medium remains moist until germination.

Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet, the seeds may not get the oxygen they require.
Some seeds need to be in the light (surface sown) or in the dark (sown deep enough to receive little or no light) to germinate. A rule of thumb is to cover the seeds their own width deep in the growing medium, but some seeds prefer to be sown much deeper, and some fairly large seeds like to be surface sown (or higher).
Many seeds germinate best at certain temperatures, some will germinate at a comparatively wide range of temperatures, yet others need fluctuating temperatures.
Almost all seeds are waiting in a dormant state for some outside stimulus to break their dormancy, some just need sufficiently high ambiant humidity, others need scarification, vernalization or to be passed through the intestines of an animal.

Polemonium caeruleum Pearl White seeds will usually germinate in 20-25 days.
Sow Polemonium caeruleum Pearl White seeds about 2mm deep in a Peaty seed sowing mix at about 20°C.

Reduce soil temperature at night.


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